Difference between revisions of "OSBYTE &D4"
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+ | [[Category:OSBYTE]] | ||
+ | OSBYTE &D4 (212) - Read/Write volume/ENVELOPE For BELL | ||
+ | To set the BELL character to use an envelope, use (envelope-1)*8 | ||
+ | To set the BELL volume, and not use envelopes, use 256+((volume-1))*8 | ||
+ | The value &90 is *CONFIGURE LOUD and &D0 is *CONFIGURE QUIET | ||
+ | (Electron OS) | ||
+ | The unexpanded sound system has fixed amplitude. | ||
+ | |||
+ | ==See Also== | ||
+ | * http://mdfs.net/Docs/Comp/BBC/OsbyteA6 | ||
+ | |||
+ | [[User:Jgharston|Jgharston]] 22:54, 26 May 2009 (UTC) |
Revision as of 01:13, 8 March 2015
OSBYTE &D4 (212) - Read/Write volume/ENVELOPE For BELL
To set the BELL character to use an envelope, use (envelope-1)*8 To set the BELL volume, and not use envelopes, use 256+((volume-1))*8 The value &90 is *CONFIGURE LOUD and &D0 is *CONFIGURE QUIET (Electron OS) The unexpanded sound system has fixed amplitude.
See Also
Jgharston 22:54, 26 May 2009 (UTC)